JFW Industries

Indianapolis, IN 46237


About JFW Industries

JFW Industries, Inc. has been designing and manufacturing attenuators and RF switching products since 1979.


5134 Commerce Square Drive
Indianapolis, IN 46237
877-887-4JFW (4539)

More Info on JFW Industries

JFW Industries, Inc. has been designing and manufacturing attenuators and RF switching products since 1979. Headquartered in Indianapolis, Indiana with local sales representatives available around the world. We have stocked attenuators, RF switches and RF products to meet your immediate applications. Our engineering team also works with customers to offer new models designed for specific attenuation and signal routing needs. In addition to our line of RF components, JFW offers remotely controlled assemblies available with Ethernet, Serial or GPIB control. Our firmware uses ASCII formatted remote commands that are easy to implement and control via scripts for automated testing.

Articles & News


Alliance Gives Students a Gateway to the Mobile Technology World

Dec. 6, 2019
This partnership between industry and academia is making it possible for students to have access to modern equipment used for mobile configuration testing.
Editor Columns

Queensborough Community College Gets an “A” in RF

July 29, 2019
With a focus on RF education, Queensborough Community College gives students a hands-on experience thanks to its array of industry-standard test equipment and more.

Building Component Pride at 2019 IMS Exhibition

June 4, 2019
Building blocks for many commercial and military systems operating well into the mmWave frequency range can be found at the 2019 International Microwave Symposium.

The 2019 IMS Exhibition Brings High Expectations

May 14, 2019
During a time when defense electronics technology is strong, the industry readies itself for the global adoption of 5G and electronically steered vehicles.
Wireless communication
Test & Measurement

Program Your Attenuator System to Do the Job

Dec. 13, 2017
This application note explains programmable attenuator systems in detail and explains why they are needed.
Active components

Know When to Add Attenuation

April 22, 2015
Attenuation comes in many shapes, sizes, and formats, and can be integrated into a system or application as a quick fix or if there’s a need for a range of attenuation.

Videos & Resources

Dreamstime L 154134235

Testing and Verifying 5G Devices and Networks

Aug. 30, 2023
A compendium of technical articles from Microwaves & RF and JFW Industries

What's New at IMS 2021: Live Day 1

June 7, 2021
Maybe you're at the International Microwave Symposium live event this week, or maybe you're not but you wish you were. Either way, we've got you covered with some of the hottest...

All content from JFW Industries

Active components

Microwave Week Makes A Splash In Tampa Bay

May 9, 2014
By providing a global gathering for all microwave technologists, the IEEE MTT International Microwave Symposium (IMS) again promises to be the gem of Microwave Week.

Attenuator Systems Pad To 6 GHz

Oct. 11, 2013
A pair of benchtop attenuator systems provide as much as 95-dB attenuation in 1-dB steps through 6 GHz.
This is one of the industryrsquos more broadband directional couplers with 20dB coupling from 1 to 40 GHz by means of stripline circuitry and SMA coaxial input and output connectors Photo courtesy of Krytar
Passive components

Keeping Power Levels In Check

March 4, 2013
Directional couplers and power dividers/combiners are used for summing and dividing high-frequency signals.